You might want to be extra suspicious in case you receive an email from Ethereum founder Vitalik Buterin, cordially asking you to send money: chances are someone is trying to scam you out of your funds.

Financial regulators plan to use the details of all cryptocurrency transactions made by individual investors - starting as early as the end of this month - to prevent money laundering and enforce a transfer tax on profit from cryptocurrencies, signaling a possible embrace of the nascent commodity.

In what could be the largest investment of its kind in a blockchain-related firm, a French startup that makes hardware wallets for cryptocurrencies has raised $75 million in a Series B round of funding, CNBC reported.